EP2990737A1 - Dispositif d'alimentation en eau chaude - Google Patents

Dispositif d'alimentation en eau chaude Download PDF

Info

Publication number
EP2990737A1
EP2990737A1 EP14787997.7A EP14787997A EP2990737A1 EP 2990737 A1 EP2990737 A1 EP 2990737A1 EP 14787997 A EP14787997 A EP 14787997A EP 2990737 A1 EP2990737 A1 EP 2990737A1
Authority
EP
European Patent Office
Prior art keywords
valve
water
hot
water supply
refrigerant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14787997.7A
Other languages
German (de)
English (en)
Other versions
EP2990737B1 (fr
EP2990737A4 (fr
Inventor
Fushiki Kakuyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Carrier Corp
Original Assignee
Toshiba Carrier Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Carrier Corp filed Critical Toshiba Carrier Corp
Publication of EP2990737A1 publication Critical patent/EP2990737A1/fr
Publication of EP2990737A4 publication Critical patent/EP2990737A4/fr
Application granted granted Critical
Publication of EP2990737B1 publication Critical patent/EP2990737B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • F25B47/022—Defrosting cycles hot gas defrosting
    • F25B47/025—Defrosting cycles hot gas defrosting by reversing the cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/02—Domestic hot-water supply systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/047—Water-cooled condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/04—Refrigeration circuit bypassing means
    • F25B2400/0403—Refrigeration circuit bypassing means for the condenser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/13—Pump speed control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2501—Bypass valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/11—Sensor to detect if defrost is necessary
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21161—Temperatures of a condenser of the fluid heated by the condenser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21174—Temperatures of an evaporator of the refrigerant at the inlet of the evaporator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present invention relates to a hot-water supply system including a heat pump.
  • a water pipe feeding water for exchanging heat with the refrigerant may be cooled to freeze.
  • a refrigerant inlet portion at the time of defrosting a water heat exchanger is provided with an on-off valve that is fully closed at the time of the defrosting and a liquid-side refrigerant temperature sensor.
  • Refrigerant leakage from the on-off valve to the water heat exchanger is detected on the basis of a temperature detected by the liquid-side refrigerant temperature sensor. If the refrigerant leakage is detected, the defrosting operation is once stopped, and the on-off valve is initialized.
  • Patent Document 1 Japanese Patent Application No. 2007-10242
  • the present invention has been made in consideration of the circumstances in the prior art mentioned above, and an object thereof is to provide a hot-water supply system capable of enhancing an effect of preventing a water heat exchanger from freezing at the time of defrosting.
  • a hot-water supply system includes: a heat pump circuit including a compressor, a four-way valve, an air heat exchanger, an expansion valve, a first on-off valve, a water heat exchanger for heating water, a second on-off valve, and a third on-off valve which are sequentially connected to a refrigerant pipe, and further including a bypass for flowing a refrigerant therethrough so as to bypass the water heat exchanger at a time of a defrosting operation; and a control apparatus configured to control the expansion valve and the first on-off valve to an adjustment degree of opening for adjusting a refrigerant flow rate, and control the second and third on-off valves to be fully opened, at a time of a hot-water supply operation of the heat pump circuit; and control the expansion valve to be fully opened, control the first and second on-off valves to be fully closed, and control the third on-off valve to the adjustment degree of opening, at the time of the defro
  • adjustment degree of opening refers to a degree of valve opening for obtaining an optimum amount of refrigerant circulation.
  • the above-mentioned hot-water supply system further includes a refrigerant temperature sensor arranged on a refrigerant inlet side of the water heat exchanger at the time of the defrosting operation, and a water supply pump that supplies water to a water pipe of the water heat exchanger, and that the control apparatus control a rotational speed per unit time of the water supply pump in accordance with a temperature detected by the refrigerant temperature sensor.
  • a check valve is provided for the third on-off valve in parallel thereto so as to flow the refrigerant only toward the second on-off valve at the time of the hot-water supply operation.
  • the hot-water supply system of the present invention having the above-mentioned characteristics includes the control apparatus configured to: control the expansion valve and the first on-off valve to the adjustment degree of opening for adjusting the refrigerant flow rate, and control the second and third on-off valves to be fully opened, at the time of the hot-water supply operation of the heat pump circuit; and control the expansion valve to be fully opened, control the first and second on-off valves to be fully closed, and control the third on-off valve to the adjustment degree of opening, at the time of the defrosting operation. Accordingly, it is possible to provide a hot-water supply system capable of enhancing an effect of preventing a water heat exchanger from freezing at the time of defrosting.
  • Fig. 1 is an overall configuration diagram of a hot-water supply system according to a first embodiment.
  • the hot-water supply system 1 according to the first embodiment includes an outdoor unit 2 as a heat source unit, a water heat exchange unit 3, and a hot-water supply tank unit 4.
  • the outdoor unit 2 and the water heat exchange unit 3 respectively include refrigerant pipes 5a and 5b which have contact end portions connected to each other by means of pipe joints 5c and 5d to thereby constitute one refrigerant pipe 5 as pipe line.
  • the heat pump circuit 14 is provided with a bypass line 15 by communicating a middle portion between the expansion valve 9 and the first on-off valve 10 with a middle portion between the hot-water supply two-way valve 12 and the third on-off valve 13.
  • a bypass check valve 16 that allows a refrigerant to flow only toward the third on-off valve 13 from the expansion valve 9 at the time of defrosting operation is interposed in the middle of the bypass line 15.
  • the water heat exchanger 11 includes a water pipe 11b that feeds water heated by the refrigerant flowing through the refrigerant flow path 11a.
  • the water pipe 11b is provided with a water inlet portion 11c to which a water supply pipe 17 is connected and a water outlet portion 11d to which a hot-water supply pipe 18 is connected.
  • the water supply pipe 17 has another end portion (in Fig. 1 , a right end portion) that is connected to a bottom portion of a hot-water storage tank 19 so as to be communicable with an inside thereof, and a water supply pump 20 that supplies water to the water pipe 11b is interposed in the middle of the water supply pipe 17.
  • the hot-water supply pipe 18 has another end portion (in Fig. 1 , a right end portion) that is connected to an upper end portion of the hot-water storage tank 19 so as to be communicable with the inside thereof.
  • the hot-water storage tank 19 is provided with a hot-water heater 21 that heats hot water stored inside thereof.
  • the hot-water storage tank 19 has an upper end portion to which a hot-water storage tank outlet pipe 22 is connected so as to be communicable with the inside thereof, and also has a lower end portion to which a hot-water storage tank inlet pipe 23 is connected so as to be communicable with the inside thereof.
  • the heat pump circuit 14 is provided with a liquid-side refrigerant temperature sensor (called as "TLH” sensor hereinafter) 24 on the refrigerant pipe 5 (in a refrigerant inlet portion at the time of defrosting the water heat exchanger 11) between the water heat exchanger 11 and the first on-off valve 10.
  • TH liquid-side refrigerant temperature sensor
  • the heat pump circuit 14 is further provided with a water heat exchanger water temperature sensor (called hereinafter “TCH” sensor) 25 that detects a temperature of the water fed by the water pipe 11b of the water heat exchanger 11, a water heat-exchanger inlet-side water temperature sensor (called hereinafter “TWI_H” sensor) 26 that detects a temperature of the water supplied to the inlet of the water pipe 11b of the water heat exchanger 11, and a water heat-exchanger outlet-side water temperature sensor (called hereinafter “TWO_H sensor) 27 that detects a temperature of the hot water discharged from the hot-water outlet 11d of the water pipe 11b of the water heat exchanger 11.
  • TCH water heat exchanger water temperature sensor
  • TWI_H water heat-exchanger inlet-side water temperature sensor
  • TWO_H sensor water heat-exchanger outlet-side water temperature sensor
  • the hot-water supply system 1 further includes a control apparatus (which may be called “controller” hereinlater) 28.
  • the controller 28 has a function of performing a hot-water supply operation by circulating the refrigerant in the heat pump circuit 14 in a direction shown with solid arrows in Fig. 1 through switching of the four-way valve 7.
  • the controller 28 reads a detected temperature from a sensor (called hereinafter "Te" sensor) 30 that detects a refrigerant temperature of the air heat exchanger 8 acting as an evaporator. If the detected temperature is continuously equal to or lower than a predetermined value (for example, equal to or lower than 0 °C) for a predetermined time, the controller 28 determines that frost formation occurs, and switches the four-way valve 7 from the hot-water supply operation side to the defrosting operation side.
  • a sensor called hereinafter "Te” sensor 30 that detects a refrigerant temperature of the air heat exchanger 8 acting as an evaporator.
  • the controller 28 determines that the frost formation is vanished and that the defrosting is completed. Then, the defrosting operation is stopped.
  • the controller 28 also achieves functions of controlling the expansion valve 9 and the first on-off valve 10 to an adjustment degree of opening for adjusting a refrigerant flow rate, controlling the hot-water supply two-way valve 12 as the second on-off valve to be fully opened, and controlling the third on-off valve 13 to be fully opened.
  • the controller 28 further achieves functions of controlling the expansion valve 9 to be fully opened, controlling the first on-off valve 10 and the hot-water supply two-way valve 12 to be fully closed, and controlling the third on-off valve 13 to adjustment opening.
  • the term “adjustment degree of opening” refers to a degree of valve opening for obtaining an optimum amount of refrigerant circulation, and also, the term “adjustment opening” refers to adjusting a valve to the adjustment degree of opening (the meanings of the above terms are equivalently used hereinafter).
  • reference numeral 29 denotes a sensor (To sensor) that detects the external air temperature
  • reference numeral 31 denotes a sensor (Ts sensor) that detects a refrigerant temperature on the suction side of the compressor 6
  • reference numeral 32 denotes a sensor (Td sensor) that detects the refrigerant temperature on the discharge side of the compressor 6
  • reference numeral 33 denotes a sensor (T2H) sensor that detects the hot-water temperature in the lower portion of the hot-water storage tank 19.
  • the controller 28 Upon reception of a hot-water supply operation instruction signal from a remote controller, an operation control panel or the like, not illustrated, through a signal line or the like, not illustrated, the controller 28 switches the four-way valve 7 to the hot-water supply operation side. Almost at the same time, the controller 28 controls the third on-off valve 13 and the hot-water supply two-way valve 12 to be fully opened and also controls the first on-off valve 10 and the expansion valve 9 to be the adjustment degree of opening.
  • the refrigerant in the heat pump circuit 14 circulates in the direction shown with the solid arrows in Fig. 1 . That is, a high-temperature/high-pressure gaseous refrigerant discharged from the compressor 6 is guided by the four-way valve 7 switched to the hot-water supply operation side so as to pass through the fully opened third on-off valve 13. Then, the refrigerant tries to flow toward the bypass line 15. However, because the refrigerant flow direction is against the bypass check valve 16 in the bypass 15, the refrigerant does not flow into the bypass line 15 but flows toward the fully opened hot-water supply two-way valve 12. Consequently, the high-temperature/high-pressure gaseous refrigerant flows through the refrigerant flow path 11a of the water heat exchanger 11 while releasing heat, thereby heating and boiling the water flowing through the water pipe 11b.
  • the high-temperature/high-pressure gaseous refrigerant that has released the heat in the water heat exchanger 11 condenses and liquefies to become a high-pressure liquid refrigerant. Then, the high-pressure liquid refrigerant flows into the first on-off valve 10 controlled to the adjustment degree of opening and is further controlled therein to a given flow rate by the first on-off valve 10, and the resultant refrigerant flows into the expansion valve 9.
  • the expansion valve 9 is controlled to the adjustment degree of opening, the high-pressure liquid refrigerant is controlled to a lower pressure and to a required flow rate by the expansion valve 9. Then, the resultant refrigerant flows into the air heat exchanger 8, evaporates, and absorbs heat from the external air to become a low-pressure gaseous refrigerant. The low-pressure gaseous refrigerant is returned to the suction side of the compressor 6 and compressed again by the compressor 6. Then, the above-mentioned behavior is repeated.
  • the water (i.e., hot water) heated by the water heat exchanger 11 passes through the hot-water supply pipe 18 and is supplied and stored into the hot-water storage tank 19 from the upper end thereof.
  • the low-temperature water or warm water existing in the bottom portion of the hot-water storage tank 19 passes through the water supply pipe 17, and is supplied to the water pipe 11b of the water heat exchanger 11 by the water supply pump 20 and then heated in the water pipe 11b.
  • the hot water stored in the hot-water storage tank 19 is heated to a predetermined temperature.
  • the temperature of the stored hot water is detected by the T2H sensor 33, and the detected temperature is read by the controller 28. If the controller 28 determines that the detected temperature reaches the predetermined temperature or higher, the controller 28 acts to stop the hot-water supply operation.
  • the air heat exchanger 8 acts as an evaporator.
  • frost formation may occur in the air heat exchanger 8.
  • the controller 28 reads a detected temperature therein from the Te sensor 30 for detecting the refrigerant inlet-side temperature of the air heat exchanger 8. If the detected temperature is equal to or lower than the predetermined temperature, the controller 28 determines that the frost formation occurs and switches the four-way valve 7 to the defrosting operation side. At this time, the controller 28 operates to control the expansion valve 9 to be fully opened, control the first on-off valve 10 and the hot-water supply two-way valve 12 to be fully closed, and also control the third on-off valve 13 to the adjustment degree of opening.
  • the high-temperature/high-pressure gaseous refrigerant discharged from the compressor 6 is guided by the four-way valve 7 so as to flow into the air heat exchanger 8.
  • the high-temperature/high-pressure gaseous refrigerant heats the air heat exchanger 8 while releasing heat, and achieves the defrosting by heating and melting the frost.
  • the high-pressure liquid refrigerant that has released heat and liquefied in the air heat exchanger 8 passes through the fully opened expansion valve 9 to flow toward the first on-off valve 10.
  • the first on-off valve 10 and the hot-water supply two-way valve 12 are fully closed, whereas the bypass check valve 16 in the bypass 15 is in a forward direction, so that the liquid refrigerant passes through the bypass 15, is guided toward the third on-off valve 13 controlled to the adjustment degree of opening, and flows into the third on-off valve 13.
  • the first on-off valve 10 and the hot-water supply two-way valve 12 are fully closed, and the low-temperature liquid refrigerant from the expansion valve 9 flows into the bypass 15 while bypassing the water heat exchanger 11, and accordingly, the low-temperature refrigerant is prevented from flowing into the water heat exchanger 11.
  • the low-temperature liquid refrigerant can be prevented from flowing into the refrigerant flow path 11a of the water heat exchanger 11, and the water pipe 11b that feeds the water cooled by the liquid refrigerant flowing through the refrigerant flow path 11a of the water heat exchanger 11 can be prevented from freezing.
  • the first on-off valve 10 is a mechanical on-off valve, there are variations in on-off precision, and the liquid refrigerant may leak due to, for example, jamming of foreign substance even when the first on-off valve 10 is fully closed.
  • a temperature of the water pipe 11b may decrease to, for example, even about -20°C, and the water pipe 11b may freeze.
  • the liquid refrigerant that has leaked from the first on-off valve 10 comes into a high-pressure state. Accordingly, the inside of the refrigerant flow path 11 a of the water heat exchanger 11 also comes into a high-pressure state, and hence, the temperature of the water passing through the water pipe 11b of the water heat exchanger 11 can be prevented from decreasing to, for example, 0°C or lower. As a result, the water pipe 11b can be prevented from freezing.
  • the controller 28 controls a rotational speed per unit time of the water supply pump 20 in accordance with a liquid refrigerant inlet-side temperature of the water heat exchanger 11 detected by the TLH sensor 24, thereby preventing the water pipe 11b of the water heat exchanger 11 from freezing.
  • the controller 28 divides a temperature zone detected by the TLH sensor 24 into a plurality of zones, for example, "a” to "e”, and controls the rotational speed of the water supply pump 20 in accordance with these temperature zones.
  • a part of the high-temperature hot water stored in the hot-water storage tank 19 circulates at a given flow rate in the water pipe 11b of the water heat exchanger 11, and accordingly, the water pipe 11b can be prevented from freezing.
  • the temperature detected by the TLH sensor 24 is influenced by hunting.
  • a differential of a given temperature for example, 1°C (1K)
  • boundary values for example, -25°C to 10°C
  • the stability in the rotational speed control of the water supply pump 20 can be improved.
  • the controller 28 further has a function of correcting the rotational speed control of the water supply pump 20 in accordance with the temperature detected by the TWI_H sensor 26 that detects the temperature of the water (i.e., hot water) supplied to the water pipe 11b of the water heat exchanger 11.
  • a correction value of the controlled rotational speed illustrated in Fig. 2(2A) , of the water supply pump 20 is "1", and the controlled rotational speed is not changed.
  • the detected temperature is equal to or higher than 10°C, that is, in a zone B
  • the controlled rotational speed is reduced to 0.6 times.
  • the differential defined in consideration of hunting in the temperature detected by the TWI_H sensor 26 is also set to this correction value.
  • Fig. 4 is an overall configuration diagram of a hot-water supply system 1A according to a second embodiment.
  • the hot-water supply system 1A includes a parallel circuit 35 in which a second check valve 34 is connected in parallel to the third on-off valve 13 of the first embodiment, and the second check valve 34 is in a forward direction with respect to the refrigerant flow direction at the time of the hot-water supply operation.
  • the other configurations or structures of the second embodiment shown in Fig. 4 are the same as those in the first embodiment.
  • the third on-off valve 13 is controlled to be fully opened at the time of the hot-water supply operation, and even in this case, the third on-off valve 13 applies a flow path resistance, though slight, to the refrigerant circulation flow, which results in decreasing in the operation efficiency.
  • a flow path resistance of the second check valve 34 is lower than the flow path resistance of the third on-off valve 13 as in the case of the first embodiment.
  • the controller 28 controls the third on-off valve 13 to be fully closed, and feeds the refrigerant to the second check valve 34, thereby reducing the flow path resistance of the refrigerant circulation flow, and improving the efficiency in the hot-water supply operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
EP14787997.7A 2013-04-26 2014-04-17 Dispositif d'alimentation en eau chaude Active EP2990737B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013093303 2013-04-26
PCT/JP2014/060893 WO2014175151A1 (fr) 2013-04-26 2014-04-17 Dispositif d'alimentation en eau chaude

Publications (3)

Publication Number Publication Date
EP2990737A1 true EP2990737A1 (fr) 2016-03-02
EP2990737A4 EP2990737A4 (fr) 2016-12-07
EP2990737B1 EP2990737B1 (fr) 2018-05-30

Family

ID=51791730

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14787997.7A Active EP2990737B1 (fr) 2013-04-26 2014-04-17 Dispositif d'alimentation en eau chaude

Country Status (4)

Country Link
EP (1) EP2990737B1 (fr)
JP (1) JP5977885B2 (fr)
NO (1) NO2990737T3 (fr)
WO (1) WO2014175151A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106839425A (zh) * 2017-01-10 2017-06-13 西安交通大学 一种旁通双回路速热式废水源热泵热水器及其控制方法
EP3225922A1 (fr) * 2016-04-01 2017-10-04 Societe Industrielle de Chauffage (SIC) Systeme de rafraichissement, climatisation ou chauffage
EP3480534A1 (fr) * 2017-11-02 2019-05-08 Stiebel Eltron GmbH & Co. KG Installation de chauffage et procédé de commande pour une installation de chauffage
CN110411084A (zh) * 2019-08-22 2019-11-05 宁波奥克斯电气股份有限公司 一种不影响室内温度的除霜装置、控制方法及空调器
EP3508803A4 (fr) * 2016-09-02 2020-01-22 Daikin Industries, Ltd. Appareil de congélation

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104896757B (zh) * 2015-06-17 2017-11-07 合肥美的暖通设备有限公司 热水机及其控制方法
JP6896054B2 (ja) * 2016-08-04 2021-06-30 三菱電機株式会社 熱源システム
JP6639677B2 (ja) * 2016-08-04 2020-02-05 三菱電機株式会社 熱源システム
WO2018198275A1 (fr) * 2017-04-27 2018-11-01 三菱電機株式会社 Dispositif à cycle de réfrigération
CN107461877B (zh) * 2017-07-19 2020-12-08 青岛海尔空调电子有限公司 一种多联机系统除霜控制方法
JP7331021B2 (ja) * 2019-02-06 2023-08-22 三菱電機株式会社 冷凍サイクル装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1038422A (ja) * 1996-07-19 1998-02-13 Fujitsu General Ltd 空気調和機
JPH1123036A (ja) * 1997-07-04 1999-01-26 Fujitsu General Ltd 空気調和機
JP4549241B2 (ja) 2005-06-30 2010-09-22 東芝キヤリア株式会社 ヒートポンプ式給湯装置
JP5095295B2 (ja) * 2007-08-03 2012-12-12 東芝キヤリア株式会社 給湯装置
JP5113447B2 (ja) * 2007-08-09 2013-01-09 東芝キヤリア株式会社 ヒートポンプ給湯装置の制御方法
US9709308B2 (en) * 2010-01-26 2017-07-18 Mitsubishi Electric Corporation Heat pump device and refrigerant bypass method
JP5595140B2 (ja) * 2010-06-24 2014-09-24 三菱重工業株式会社 ヒートポンプ式給湯・空調装置
WO2012043297A1 (fr) * 2010-09-27 2012-04-05 東芝キヤリア株式会社 Système d'alimentation en eau chaude
WO2012043379A1 (fr) * 2010-09-29 2012-04-05 東芝キヤリア株式会社 Système d'alimentation en eau chaude

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3225922A1 (fr) * 2016-04-01 2017-10-04 Societe Industrielle de Chauffage (SIC) Systeme de rafraichissement, climatisation ou chauffage
FR3049697A1 (fr) * 2016-04-01 2017-10-06 Soc Ind De Chauffage (Sic) Systeme de rafraichissement, climatisation ou chauffage a unites separees
EP3508803A4 (fr) * 2016-09-02 2020-01-22 Daikin Industries, Ltd. Appareil de congélation
US11274871B2 (en) 2016-09-02 2022-03-15 Daikin Industries, Ltd. Refrigeration apparatus
CN106839425A (zh) * 2017-01-10 2017-06-13 西安交通大学 一种旁通双回路速热式废水源热泵热水器及其控制方法
EP3480534A1 (fr) * 2017-11-02 2019-05-08 Stiebel Eltron GmbH & Co. KG Installation de chauffage et procédé de commande pour une installation de chauffage
CN110411084A (zh) * 2019-08-22 2019-11-05 宁波奥克斯电气股份有限公司 一种不影响室内温度的除霜装置、控制方法及空调器
CN110411084B (zh) * 2019-08-22 2021-10-15 宁波奥克斯电气股份有限公司 一种不影响室内温度的除霜装置、控制方法及空调器

Also Published As

Publication number Publication date
WO2014175151A1 (fr) 2014-10-30
JPWO2014175151A1 (ja) 2017-02-23
NO2990737T3 (fr) 2018-10-27
EP2990737B1 (fr) 2018-05-30
JP5977885B2 (ja) 2016-08-24
EP2990737A4 (fr) 2016-12-07

Similar Documents

Publication Publication Date Title
EP2990737B1 (fr) Dispositif d'alimentation en eau chaude
US10077925B2 (en) Refrigeration apparatus
CN101842645B (zh) 冷冻循环装置
US20130104574A1 (en) Hybrid Space And Hot Water Heating Heat Pump
EP2420767B1 (fr) Alimentation en eau par pompe à chaleur et appareil de climatisation
EP1777471A1 (fr) Dispositif d'alimentation en eau chaude de type pompe à chaleur
CN102419024A (zh) 制冷循环装置和热水采暖装置
EP2752628A1 (fr) Cycle supercritique et installation de distribution d'eau chaude à pompe à chaleur mettant en uvre ledit cycle
WO2018076934A1 (fr) Climatiseur et système de réfrigération associé
CA2844226A1 (fr) Commande de compresseur pour systeme de transfert thermique
WO2019144616A1 (fr) Système de pompe à chaleur et procédé de commande de dégivrage associé
KR101723419B1 (ko) 히트펌프 시스템
KR101405271B1 (ko) 순간 급탕이 가능한 히트펌프 급탕장치
US11624538B2 (en) Refrigeration device provided with a secondary by-pass branch and method of use thereof
US9568224B2 (en) Heat pump water heater apparatus and heating and defrost operation, thereof
EP2375187A2 (fr) Appareil de pompe à chaleur et procédé de contrôle de fonctionnement de l'appareil de pompe à chaleur
JP5601885B2 (ja) ヒートポンプ式給湯・空調装置
EP3026364B1 (fr) Chauffage de type pompe à chaleur et appareil d'alimentation en eau chaude
KR20150035012A (ko) 축열식 히트펌프 보일러 시스템
KR20190055961A (ko) 공기조화기 및 그 제어방법
KR20170055678A (ko) 태양광 전기를 이용한 공기열 히트펌프의 제어방법
CN116018486B (zh) 热泵装置及其控制方法
US20240175614A1 (en) Heat pump device and hot water supply device
JP2015148426A (ja) ヒートポンプ式暖房装置
KR101423101B1 (ko) 증발온도 보상형 냉난방 시스템

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20151014

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20161108

RIC1 Information provided on ipc code assigned before grant

Ipc: F24D 17/02 20060101ALI20161102BHEP

Ipc: F25B 47/02 20060101ALI20161102BHEP

Ipc: F25B 41/04 20060101ALI20161102BHEP

Ipc: F25B 49/02 20060101ALI20161102BHEP

Ipc: F24H 1/00 20060101AFI20161102BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20180108

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1004009

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180615

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602014026365

Country of ref document: DE

REG Reference to a national code

Ref country code: NO

Ref legal event code: T2

Effective date: 20180530

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20180530

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180830

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180831

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1004009

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180530

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602014026365

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20190301

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190430

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20190417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190417

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190417

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190430

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181001

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20140417

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180530

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20230222

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NO

Payment date: 20240222

Year of fee payment: 11

Ref country code: FR

Payment date: 20240223

Year of fee payment: 11